6、中担当一个成分。例如:The man who is shaking hands with my father is a policeman.该句中,who is shaking hands with my father是定语从句,修饰先行词the man,“who”是引导定语从句的关系词,代替先行词the man,在定语从句中作主语。二、关系代词引导的定语从句1.who指人,在定语从句中作主语。The boyswhoare playing football are from Class One.正在踢足球的男孩是一班的。Thosewhowant to go to the
7、 museum must be at the school gate at 7tomorrowmorning.想去博物馆的人必须在明晨7点到大门口集合。YesterdayI helped an old manwhohad lost his way.昨天我帮助了一位迷路的老人。Thatis the teacherwhoteaches us physics.那就是教我们物理的老师。2.whom指人,在定语从句中做宾语,常可省略。Mr. Liu is the person( whom )you talked about on the